Language

English

Envirement:

"graphiql: true" is for debug;

install

npm init -y

-y means to create package.json

npm install express -S

npm install graphql -S

npm install graphql@"^14.7.0 || ^15.3.0" -S

npm install express-graphql -S

run

node hello.js

nodemon hello.js

client

query {  hello }

query {
  hello, accountName
}

query {hello,
  accountName,age,account {name age department} 
}

browser google

check Network in the browser.

add "auth = 1" into Cookies of Application in the browser.